package com.learn.spring5;

public class UserDaoImpl implements UserDao
{

	@Override
	public int add(int a, int b)
	{
		System.out.println("add方法执行了...");
		return a + b;
	}

	@Override
	public String update(String id)
	{
		System.out.println("update方法执行力...");
		return id;
	}

}
